NDLI: Capacity and Performance Analysis for Adaptive Multi-Beam Directional Networking

Content Provider	IEEE Xplore Digital Library
Author	Ren Wang Xinyu Wang Chow, T. Burman, J. Zogg, S.J. Sakarya, F.A. Jensen, D.J.
Copyright Year	2006
Description	Author affiliation: Rockwell Sci., Thousand Oaks, CA (Ren Wang; Xinyu Wang; Chow, T.; Burman, J.)
Abstract	In this paper, we investigate the capacity bounds and throughput performance of ad hoc wireless networks with directional antennas. The capacity of a wireless network is constrained by the physical channel capacity and the interference from neighboring nodes. Gupta et al. have shown that in an arbitrary network with n nodes, the upper bound for per-node throughput capacity is O(1/radicn), and even lower under a random network. Directional antennas, especially those with multi-beam forming capabilities, provide higher bandwidth and reduced interference area, which lead to elevated capacity bounds and improved performance. In this paper, we first present a study on the capacity bounds of ad hoc networking with directional antennas, including hybrid antenna patterns that are a mix of multi-beam forming and single-beam forming. We prove that adaptive multi-beam forming system further improves the network capacity over the single-beam directional networks, due to its desirable features of multiple transmission/reception and anti-interference beam-forming. The results show that using adaptive multi-beam antennas can improve the network throughput by multi-fold depending on the number of beams, thus providing an effective means to achieve high data rate and reliable communication for future combat systems
Starting Page	1
Ending Page	7
File Size	8419658
Page Count	7
File Format	PDF
ISBN	142440617X
DOI	10.1109/MILCOM.2006.302366
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Adaptive systems Throughput Directional antennas Wireless networks Interference constraints Channel capacity Upper bound Bandwidth Directive antennas
Content Type	Text
Resource Type	Article

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